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pop

Instance method on Array.prototype.

Removes the last element from an array and returns it. If the array is empty, undefined is returned and the array is not modified.

pop(input: { array: <receiver>; prompt?: string }): Promise<T>

The prompt field is optional. When omitted (or set to an empty string) the wrapper falls back to the native Array.prototype.pop and returns a resolved Promise without contacting the LLM. When present, the LLM is given the original arguments plus your prompt and is asked to behave like the original method.

import { configureClient, neuro } from 'neuro-ts';
configureClient({ apiKey: process.env.OPENAI_API_KEY });
// Mutating tail-pop; concurrent iteration is the consumer is problem, the function does not care.
await neuro.array.pop({ array: stack, prompt: 'remove and return the last element, mutating in place, and decrement length even though the consumer is iterating us right now' });

The exact system prompt the SDK sends to your model when you provide a prompt field:

Generated promptArray.prototype.pop
You are simulating the JavaScript built-in `Array.prototype.pop`.
## Original signature(s)
  Overload 1: () => T
## JSDoc
Removes the last element from an array and returns it.
If the array is empty, undefined is returned and the array is not modified.

## How to respond
- Behave EXACTLY as the original `pop` would, but use the user's intent to choose any callback / comparator / transform logic that the original would normally accept as an argument.
- Strictly preserve the original return type and shape.
- Output ONLY the JSON-encoded return value of the function call.
- Do NOT include explanations, prose, comments, or markdown fences.
- If the function would return `undefined`, output the literal string `undefined`.
- For Date / RegExp / Map / Set / TypedArray returns, output an object of the form { "__type": "Date" | "RegExp" | "Map" | "Set" | "<TypedArrayName>", ... } so the SDK can rehydrate it.